PCIe4.0明年初發佈頻寬翻番5.0已提上日程 - 3C

By Zanna
at 2016-08-22T12:10
at 2016-08-22T12:10
Table of Contents
[摘要]PCIe 4.0不但頻寬翻番,它能耗還更低,這無疑將拓寬其應用範圍
舊版相容性使得它能支援以往的設備。此外,雖然PCIe 4.0規範要到明年初才能發佈,但
5.0的開發已經提上議事日程。
據PCMag 網站報導,PCI Express(PCIe)匯流排標準速度已經相當快,功能也已經相當強
大。但它可能很快會變得更好。
PCIe 4.0規範將於2017年初發佈。PCIe 4.0資料傳輸速率將大幅提高,並在其他方面有所
改進
這使得它適合應用在更多各類設備中。PCIe 4.0匯流排頻寬是3.0版規範的2倍
由8 GTps增長至16GTps。另外,它引入了提高效能比的新技術。
PCMag表示,與之前的PCIe規範一樣,PCIe 4.0具有完全舊版相容性,因此
它在支持針對之前PCIe設計的設備方面沒有任何問題。另外,預計下一代電腦處理器也將
支援PCIe 4.0
雖然上周公佈的兩款處理器——英特爾第七代酷睿和AMD Zen系列並不支援它
因為首批配置這兩款處理器的產品發佈時間早於PCIe 4.0。
負責維護PCIe標準的週邊部件互連專業組(PCI-SIG)總裁、董事長阿爾·亞尼斯(Al
Yanes)
在英特爾開發商論壇期間向PCMag.com表示,這些變化將使PCIe 4.0具有更高的可伸縮性
更適合應用在從移動平臺到桌上型電腦再到伺服器在內的各類設備上。這有助於提升PCIe
在移動設備中的普及率。
亞尼斯說,“目前有至少1或2個解決方案,但我希望有更多解決方案。我們將嘗試更好地
宣傳PCIe 4.0的低能耗。”
亞尼斯還表示,他“沒有發現許多物聯網解決方案”,但這種情況將發生變化
“我們希望在物聯網領域取得成功”。
亞尼斯預計,PCIe 4.0發佈後,針對它設計的產品將很快發佈。在被問到新規範的普及速
度時
亞尼斯說,“PCIe 4.0規範發佈時,我們認為將很快有更多相關產品上市銷售”。
PCMag稱,雖然PCIe 4.0尚未發佈,但PCIe 5.0已經在週邊部件互連專業組的未來開發計
畫中
亞尼斯預計PCIe 5.0性能將有大幅度提升。
亞尼斯沒有明確PCIe 5.0發佈時間,但他表示
希望PCIe 5.0的發佈不會等上7年。PCIe 3.0和4.0發佈時間就間隔7年。
來源︰http://www.pcmag.com/news/347163/pcie-4-0-will-arrive-in-2017
XF 編譯
http://www.xfastest.com/thread-175960-1-1.html
進入PCIE-4.0 更快的速度
差不多2018 年才會有CPU支援
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